#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>

int main()
{
	int a = 0;
	while (scanf("%d", &a) != EOF)
	{
		if (a % 2 == 0)
		{
			printf("Even\n");
		}
		else if (a % 2 == 1);
		{
			printf("Odd\n");
		}
	}
	return 0;
}